What's Wrong with Raising a Villain Crookedly?

Xu Ziyan has a younger brother who is crooked. As an older brother, he has always felt very sorry. One day he entered a book and found that he had another chance to raise a younger brother. He immediately geared up and planned to raise this younger brother to be a great man! Straight! He learned from experience and lessons, constantly improved the training plan, and clearly nipped in the cradle every possibility of turning his younger brother into a crook, but why was it that the younger brother he had worked so hard to raise was still a crook! ! ! I don't want to play anymore! The body can be saved, but the twisted soul... How can he save it! ... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.